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What Does an Engine Overhaul Include?

1Answers
LeFinley
07/24/2025, 03:23:25 PM

An engine overhaul refers to the complete disassembly of the engine and related components, breaking down the entire engine structure, replacing damaged parts, and then reassembling the engine. The entire process is quite complex to perform. Below is a detailed introduction to engine overhaul: Cylinder Head Overhaul: Primarily involves restoring the sealing performance of the valves, removing carbon deposits from the cylinder head, and replacing valve seals, cylinder gaskets, and other sealing components. Additionally, maintenance work is performed on the lubrication, cooling, intake and exhaust systems, as well as the ignition (fuel injection) system. Full Engine Overhaul: In addition to the above tasks, it also requires maintenance and replacement of components such as connecting rod bearings, main bearings, piston rings, and cylinder liners to enhance the engine's service life.

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